Abrasive is sharp, hard material, for grinding the surface of softer material. There are natural and artificial abrasives abrasives abrasives two categories. Classification according to the hardness and the general extravagant super abrasive abrasive two categories. A wide range of abrasive, from softer household detergents, precious hard abrasive material into the diamond. Each is a precision abrasive product manufacturing essential materials. Many natural abrasives.
2013年9月16日星期一
Some grinding machine also in the grinding process
Two kinds of single-disc and double-disc, double-disc grinding machine with the most common. In the double-disc grinding machine (see [double disc grinding machine]), a plurality of workpieces simul roloc disc taneously be placed in the upper and lower lapping plate inside the cage between the cage and the workpiece driven by the eccentric or planetary bodies for movement parallel to the plane . Lower lapping plate rotation, parallel to the grinding disk can not turn, or reverse rotation of lower plate, and move up and down to compress the workpiece (pressure is adjustable). In addition, the grinding plate can rotate around the column with the arm at an angle for loading and unloading workpieces. Double disc grinding machine mainly used for processing two parallel planes, a plane (the need to increase compression artifacts attachments), cylindrical cylindrical and spherical (used with a V-shaped groove grinding disc) and so on. Processing outer cylindrical surface, because it is abrasive cloth belt necessary to slide the workpiece rolling again be a reasonable choice retainer hole slot type and arrangement of angles. Only a single-disc grinding machine under the grinding discs, grinding the workpiece for the next plane, enable workpieces of varying shapes and sizes with disc machining, grinding accuracy. Some grinding machine also in the grinding process with automatic correction non woven flap wheel mechanism abrasive discs.
Shaft grinding machine consists of forward and reverse rotation of the workpiece spindle drive or lap (adjustable grinding ring or grinding rod) rotates, the structure is relatively simple, for grinding cylindrical cylinders.
Special grinding machine according to the type of workpiece to be polished, a center hole grinding machine, ball mill and a gear grinding machine and so on. In addition, there is a centerless grinding principle similar centerless grinding machine for grinding a cylindrical workpiece.
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